Stadium: Court 8 Round: 27 Ground: Clay
| ITF Japan F6 MD | 2018/04/11 04:45 | Ehara/Katayama v Kibi/Onozawa | 6-3,6-2 |
| ITF Japan F5 MD | 2018/04/04 07:40 | Ehara/Katayama v Fujii/Ochi | 6-2,3-6,6-10 |
| ITF Japan F5 MD | 2018/04/02 07:40 | Ehara/Katayama v Chiu/Grills | 6-4,6-0 |
| ITF Japan F3 MD | 2018/03/23 02:45 | Seol/Song v Ehara/Katayama | 5-7,6-7 |
| ITF Japan F3 MD | 2018/03/23 01:30 | Γκένκο Κικούτσι/Σούνρου Τακεσίμα v Ehara/Katayama | 6-7,5-7 |
| ITF Japan F3 MD | 2018/03/22 09:10 | Γκιεόνγκ Σέο Λι/Εούντζι Λιμ v Ehara/Katayama | 6-7,3-6 |
| ITF Japan F3 MD | 2018/03/19 07:55 | Hashikawa/Oku v Ehara/Katayama | 4-6,3-6 |
| ITF Japan F2 MD | 2018/03/13 06:55 | Γκιεόνγκ Σέο Λι/Εούντζι Λιμ v Ehara/Katayama | 7-6,3-6,10-8 |
| ITF Japan F6 MD | 2018/04/11 02:55 | Tanuma/Yamasaki v Kono/Sakai | 6-7,3-6 |
| ITF Japan F2 MD | 2017/03/16 06:45 | Kono/Sakai v Hoang Ly/Okamura | 6-7,6-3,4-10 |
| ITF Japan F2 MD | 2017/03/14 08:10 | Moritani/Shiga v Kono/Sakai | 3-6,5-7 |